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Boeing 737MAX's Warning
[Boeing 737MAX Incident]
This time, the whole world has the same standpoint with China.
In a short period of five months, there were two consecutive air crashes, which killed 189 people and 157 people chronologically leaving the world with endless grief. In order to ensure flight safety, CAAC, after failing to cooperate with Boeing Co. and FAA, carefully made the decision to informe all Chinese airlines to stop using the Boeing aircraft. Since then, Indonesia, Argentina, Mexico, Britain, Australia, Malaysia, Singapore, Germany, Ireland, Turkey ... Almost all countries' airlines in the world have announced "flight ban" for Boeing 737MAX series aircraft.
When it comes to safety management, "Murphy's law" is known to all:
The main content is divided to four aspects:
1. Nothing is as simple as it seems;
2.Everything may take longer than you expected.
3.Misstake will always go wrong.
4.If you are worried about something happening, it is more likely to happen.
There are many explanations for this, but in the final analysis, the basic content is that if something goes bad, no matter how small the possibility is, it will always happen.
Under the background of rising prices and shortages of raw materials, How should the sealant adhesive for construction industry develop?In the sealant adhesive for construction industry, "Extended silicone sealants" can be described as a "cancer" that has been lurking for a long time and is always violating the safety of building doors, windows and curtain walls.
Some enterprises have always adhered to the moral standard and resolutely refused to use extended silicone sealants. However, some manufacturers have chosen to pursue immediate interests, abandon the quality, cut cirners and replace expensive key materials with cheap industrial white oil to realize "cost reduction". This kind of quick success and instant benefits, no social responsibility, directly lead to the building materials market is full of a large number of inferior sealant products and security risks can be seen everywhere.
The following is the sharing of typical negative cases after the use of " extended silicone sealants" to more intuitively reveal the danger of " extended silicone sealants"- wasting social resources and polluting the atmospheric environment.
When the " extended silicone sealants" is subjected to an ultraviolet aging test for 5000 hours, after only 500 hours of aging, the elasticity drops sharply and the sealant hardens; After 3500 hours, there was also a serious adhesion problem, and the colloid fell off the surface of the substrate directly. Cured " extended silicone sealants" often gives us the illusion that elasticity is good. However, after a period , the filled industrial white oil lets out and diffuses out of the sealant, eventually causing the sealant itself to harden, crack, and even non-stick problems.
" extended silicone sealants" can also cause infiltration pollution to aluminum plates and this pollution is different from vertical flow pollution and is irreversible and cannot be removed by cleaning. The designers wept when he saw that his MONEY was "filled with extended silicone sealants". He would regret and grieved.
If the extended silicone sealants is in contact with the hollow glass, the filled industrial white oil will let out and infiltrate into the hollow glass, causing a seal butyl rubber of the hollow glass to be dissolved, resulting in oil flow and rainbow phenomena. That is to say, even if the glass is selected from the top brands, and the products have energy saving, heat preservation, light transmission ,heat insulation and many other quality, they will become completely useless because of the troublemaker of " extended silicone sealants".
"Baiyun and You Build a Road of High Quality Development"
For a long time, Baiyun Chemical Industry.Co.,Ltd. Look on product quality as the live of the sustainable development of the enterprise. Even faced with he market environment of large fluctuation of raw materials and tight supply of goods, Baiyunl always sticks to its promise:
Any silicone sealants product under Baiyun brand is not extended.
Never forget why you started and your responsibility. Baiyun leads the whole industry to a high quality development and Calls on the whole Industry to refuse extended silicone sealants. Especially in 2018, when the industry experienced ups and downs, Baiyun technical team visited more than 10 provinces and cities with large application of door and window curtain wall projects, such as Beijing, Shanghai, Jiangsu, Zhejiang, Anhui, Zhengzhou, Fujian, Shenzhen, Guangzhou, Foshan, etc. It actively launched a special activity to identify "extended silicone sealants" and more than 180 technical communicating activities to the industry. Comprehensive technical presentations, in-depth learning exchanges and on-site experiences helped nearly 200 enterprises to obtain relevant science services.
[Declaration by Authoritative Experts on Sealant Testing]
Director Liu Ying, Studying China Academy of Building Research Co., Ltd., has been engaged in the research of extended sealant for more than ten years. He is deeply worried about the current production and the harm of extended sealant on the market.
1. Extended silicone sealants is an open secret in the industry.
2. The situation of extended silicone sealants in door and window sealant and sealant for home decoration is the most serious.
3. With the introduction of the new standard, although the situation extended silicone sealants has been improved but not been solved completely.
4. The extended silicone sealants not only directly causes the glass to drop, silicon sealants cracking and waterproof sealing failure, but also indirectly causes the corrosion failure of curtain and wall.
5. White mineral oil is a mixture of low paraffins, which can generate VOCs after oxidation by light and heat, thus polluting the environment.
6. The sealant mixed with white mineral oil has poor durability, which will deteriorate and fail within 2 years, resulting in rework of the project and waste of resources.
And strongly called for: under the guidance of industry associations and experts, sealant enterprises do not mix white mineral oil, apply high-quality products, and jointly promote the high-quality development of the industry!
[How to Identify extended silicone sealants? 】
1、Laboratory standard detection methods (including thermogravimetric analysis test method, infrared spectrum test analysis method, thermogravimetric test method, etc.) require specialized experimental equipment.
2、A Simple and Very Effective Identification Method ——Film Test Method
The principle of the method is that the industrial white mineral oil added in silicone sealants has poor compatibility with the silicone sealants system and is easy to move and permeate from the silicone sealants system. When the white oil permeates the plastic film, the film will become uneven. The method is applicable to both single-component and two-component sealants. The experimental process also found that the larger the amount of white oil filled, the shorter the shrinkage time of the plastic film and the more obvious the shrinkage phenomenon.
[Warning from Murphy's law and Boeing 737MAX]
Baiyun Chemical Industry Co., Ltd. has analyzed the phenomenon and summarized the experience in its continuous research of the "extended silicone sealants" for many years, and put forward the following suggestions:
Construction unit-we have some suggestion to you:
1. If you want to create a quality project and make your name permanent on the honor list of the project, please choose a safe and permanent sealant.
2. If you want to let you and your company have no further worries, please choose a safe and permanent sealant.
3. If you want to stick to your conscience and benefit the people, please choose a safe and permanent sealant.
4. If you want to enhance your company's brand reputation and sustainable development, please choose a safe and permanent sealant.
5. If you want to contribute to the high-quality development of the industry and build a powerful nation in doors, windows and curtain walls, please choose a safe and permanent sealant!
The owner-we have some information to you, if you want to build a project that is reassuring, reassuring and worry-free, please think about it.
1. Is your supplier willing to produce high-quality products? Its corporate orientation, corporate culture and corporate development philosophy determine its wishes.
2. Does your supplier have the ability to produce high quality products?
3. Can the patents, standards, technical levels, management systems and services owned by your suppliers support your exquisite projects?
4. From the perspective of project management , do you think low-priced products are really cheap?
5. Do you consider the supplier from its source or mainly consider the quality and service that the product can meet the requirements of the project? The Chinese believe in intellectually Manufacturer in China
At present, the price of organic silicon raw materials is still in a state of great fluctuation. More and more sealant manufacturers are replacing it with industrial white oil and cheap fillers by reducing the content of organic silicon base polymer in order to reduce costs and make low-cost "oil-filled" sealants! Then attract users at a low price, at the beginning of the use also don't see the problem, but a few months to half a year later, the problems of these products will gradually exposed, directly bring serious quality problems to users and even security risks. These problems may cause economic losses of several times or even dozens of times the purchase price of sealant itself! Do you dare to choose these low-priced "sealants" at the expense of product quality and service performance?
We are duty-bound to promote the healthy development of the industry and resist the " Extended silicone sealants". Baiyun Chemical Co., Ltd. will work with you to build a high-quality development path and continue to act in 2019.
If you suspect that you have encountered "Extended silicone sealants" and you need technical support.
Please call Baiyun Chemical Industry Co.Ltd.
Global Technical Service Hotline: 4008301582,